{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "biomedical", "manufacturing process", "enabling technology", "machanical property", "process parameter"], "input": "In this work , a cost effective air-water polymer heat exchanger made of thin polymer sheets using layer-by-layer line welding with a laser through an additive manufacturing process was fabricated and experimentally tested ."}
{"concept or principle": ["layer-by-layer", "fabricated"], "biomedical": [], "manufacturing process": ["welding", "additive manufacturing process"], "enabling technology": ["laser"], "machanical property": [], "process parameter": []}